mirror of
https://github.com/MaskRay/ccls.git
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269 lines
9.0 KiB
C++
269 lines
9.0 KiB
C++
#include "test.h"
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#include "indexer.h"
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#include "platform.h"
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#include "serializer.h"
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#include "utils.h"
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#include <iostream>
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void Write(const std::vector<std::string>& strs) {
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for (const std::string& str : strs)
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std::cout << str << std::endl;
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}
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std::string ToString(const rapidjson::Document& document) {
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rapidjson::StringBuffer buffer;
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rapidjson::PrettyWriter<rapidjson::StringBuffer> writer(buffer);
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writer.SetFormatOptions(
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rapidjson::PrettyFormatOptions::kFormatSingleLineArray);
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writer.SetIndent(' ', 2);
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buffer.Clear();
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document.Accept(writer);
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std::string output = buffer.GetString();
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return UpdateToRnNewlines(output);
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}
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void DiffDocuments(std::string path,
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std::string path_section,
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rapidjson::Document& expected,
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rapidjson::Document& actual) {
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std::string joined_actual_output = ToString(actual);
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std::vector<std::string> actual_output =
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SplitString(joined_actual_output, "\n");
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std::string joined_expected_output = ToString(expected);
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std::vector<std::string> expected_output =
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SplitString(joined_expected_output, "\n");
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std::cout << "[FAILED] " << path << " (section " << path_section << ")"
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<< std::endl;
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std::cout << "Expected output for " << path << " (section " << path_section
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<< "):" << std::endl;
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std::cout << joined_expected_output << std::endl;
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std::cout << "Actual output for " << path << " (section " << path_section
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<< "):" << std::endl;
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std::cout << joined_actual_output << std::endl;
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std::cout << std::endl;
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int max_diff = 5;
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size_t len = std::min(actual_output.size(), expected_output.size());
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for (int i = 0; i < len; ++i) {
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if (actual_output[i] != expected_output[i]) {
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if (--max_diff < 0) {
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std::cout << "(... more lines may differ ...)" << std::endl;
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break;
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}
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std::cout << "Line " << i << " differs:" << std::endl;
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std::cout << " expected: " << expected_output[i] << std::endl;
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std::cout << " actual: " << actual_output[i] << std::endl;
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}
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}
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if (actual_output.size() > len) {
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std::cout << "Additional output in actual:" << std::endl;
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for (size_t i = len; i < actual_output.size(); ++i)
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std::cout << " " << actual_output[i] << std::endl;
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}
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if (expected_output.size() > len) {
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std::cout << "Additional output in expected:" << std::endl;
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for (size_t i = len; i < expected_output.size(); ++i)
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std::cout << " " << expected_output[i] << std::endl;
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}
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}
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void VerifySerializeToFrom(IndexFile* file) {
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std::string expected = file->ToString();
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std::unique_ptr<IndexFile> result = Deserialize(
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SerializeFormat::Json, "--.cc", Serialize(SerializeFormat::Json, *file),
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nullopt /*expected_version*/);
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std::string actual = result->ToString();
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if (expected != actual) {
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std::cerr << "Serialization failure" << std::endl;
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assert(false);
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}
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}
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std::string FindExpectedOutputForFilename(
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std::string filename,
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const std::unordered_map<std::string, std::string>& expected) {
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for (const auto& entry : expected) {
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if (EndsWith(entry.first, filename))
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return entry.second;
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}
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std::cerr << "Couldn't find expected output for " << filename << std::endl;
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std::cin.get();
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std::cin.get();
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return "{}";
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}
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IndexFile* FindDbForPathEnding(
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const std::string& path,
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const std::vector<std::unique_ptr<IndexFile>>& dbs) {
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for (auto& db : dbs) {
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if (EndsWith(db->path, path))
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return db.get();
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}
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return nullptr;
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}
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bool RunIndexTests(const std::string& filter_path, bool enable_update) {
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SetTestOutputMode();
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// Index tests change based on the version of clang used.
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static constexpr const char* kRequiredClangVersion =
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"clang version 5.0.1 (tags/RELEASE_501/final)";
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if (GetClangVersion() != kRequiredClangVersion) {
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std::cerr << "Index tests must be run using clang version \""
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<< kRequiredClangVersion << "\" (cquery is running with \""
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<< GetClangVersion() << "\")" << std::endl;
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exit(1);
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}
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bool success = true;
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bool update_all = false;
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// FIXME: show diagnostics in STL/headers when running tests. At the moment
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// this can be done by constructing ClangIndex index(1, 1);
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ClangIndex index;
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for (std::string path : GetFilesInFolder("index_tests", true /*recursive*/,
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true /*add_folder_to_path*/)) {
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if (!RunObjectiveCIndexTests() && EndsWithAny(path, {".m", ".mm"})) {
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std::cout << "Skipping \"" << path << "\" since this platform does not "
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<< "support running Objective-C tests." << std::endl;
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continue;
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}
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if (path.find(filter_path) == std::string::npos)
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continue;
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if (!filter_path.empty())
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std::cout << "Running " << path << std::endl;
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// Parse expected output from the test, parse it into JSON document.
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std::vector<std::string> lines_with_endings = ReadLinesWithEnding(path);
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TextReplacer text_replacer;
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std::vector<std::string> flags;
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std::unordered_map<std::string, std::string> all_expected_output;
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ParseTestExpectation(path, lines_with_endings, &text_replacer, &flags,
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&all_expected_output);
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// Build flags.
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bool had_extra_flags = !flags.empty();
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if (!AnyStartsWith(flags, "-x"))
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flags.push_back("-xc++");
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// Use c++14 by default, because MSVC STL is written assuming that.
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if (!AnyStartsWith(flags, "-std"))
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flags.push_back("-std=c++14");
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flags.push_back("-resource-dir=" + GetDefaultResourceDirectory());
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if (had_extra_flags) {
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std::cout << "For " << path << std::endl;
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std::cout << " flags: " << StringJoin(flags) << std::endl;
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}
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flags.push_back(path);
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// Run test.
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Config config;
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FileConsumerSharedState file_consumer_shared;
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PerformanceImportFile perf;
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std::vector<std::unique_ptr<IndexFile>> dbs =
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Parse(&config, &file_consumer_shared, path, flags, {}, &perf, &index,
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false /*dump_ast*/);
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for (const auto& entry : all_expected_output) {
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const std::string& expected_path = entry.first;
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std::string expected_output = text_replacer.Apply(entry.second);
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// FIXME: promote to utils, find and remove duplicates (ie,
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// cquery_call_tree.cc, maybe something in project.cc).
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auto basename = [](const std::string& path) -> std::string {
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size_t last_index = path.find_last_of('/');
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if (last_index == std::string::npos)
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return path;
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return path.substr(last_index + 1);
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};
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auto severity_to_string = [](const lsDiagnosticSeverity& severity) {
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switch (severity) {
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case lsDiagnosticSeverity::Error:
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return "error ";
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case lsDiagnosticSeverity::Warning:
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return "warning ";
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case lsDiagnosticSeverity::Information:
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return "information ";
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case lsDiagnosticSeverity::Hint:
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return "hint ";
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}
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assert(false && "not reached");
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return "";
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};
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// Get output from index operation.
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IndexFile* db = FindDbForPathEnding(expected_path, dbs);
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assert(db);
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if (!db->diagnostics_.empty()) {
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std::cout << "For " << path << std::endl;
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for (const lsDiagnostic& diagnostic : db->diagnostics_) {
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std::cout << " ";
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if (diagnostic.severity)
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std::cout << severity_to_string(*diagnostic.severity);
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std::cout << basename(db->path) << ":"
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<< diagnostic.range.start.ToString() << "-"
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<< diagnostic.range.end.ToString() << ": "
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<< diagnostic.message << std::endl;
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}
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}
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std::string actual_output = "{}";
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if (db) {
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VerifySerializeToFrom(db);
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actual_output = db->ToString();
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}
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actual_output = text_replacer.Apply(actual_output);
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// Compare output via rapidjson::Document to ignore any formatting
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// differences.
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rapidjson::Document actual;
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actual.Parse(actual_output.c_str());
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rapidjson::Document expected;
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expected.Parse(expected_output.c_str());
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if (actual == expected) {
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// std::cout << "[PASSED] " << path << std::endl;
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} else {
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success = false;
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DiffDocuments(path, expected_path, expected, actual);
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std::cout << std::endl;
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std::cout << std::endl;
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if (enable_update) {
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std::cout
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<< "[Enter to continue - type u to update test, a to update all]";
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char c = 'u';
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if (!update_all) {
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c = (char)std::cin.get();
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std::cin.get();
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}
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if (c == 'a')
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update_all = true;
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if (update_all || c == 'u') {
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// Note: we use |entry.second| instead of |expected_output| because
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// |expected_output| has had text replacements applied.
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UpdateTestExpectation(path, entry.second, ToString(actual) + "\n");
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}
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}
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}
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}
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}
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return success;
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}
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// TODO: ctor/dtor, copy ctor
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// TODO: Always pass IndexFile by pointer, ie, search and remove all IndexFile&
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// refs.
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